.password{
    position: relative;
    width:100%;
    height:100%;
    background: rgba(10,0,0,0.3) url("../img/3.jpeg");
    background-size: 100%;
}
.demo-ruleForm{
    padding: 50px 50px 50px 50px;
}
.ms-title{
    width:100%;
    line-height: 50px;
    text-align: center;
    font-size:20px;
    color: red;
    border-bottom: 2px solid blue;
}
.password-btn{
    text-align: center;
}
.password-btn button{
    width:40%;
    height:36px;
    margin-bottom: 10px;
}